WO2022246859A1 - 显示面板及显示装置 - Google Patents

显示面板及显示装置 Download PDF

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Publication number
WO2022246859A1
WO2022246859A1 PCT/CN2021/097001 CN2021097001W WO2022246859A1 WO 2022246859 A1 WO2022246859 A1 WO 2022246859A1 CN 2021097001 W CN2021097001 W CN 2021097001W WO 2022246859 A1 WO2022246859 A1 WO 2022246859A1
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WIPO (PCT)
Prior art keywords
display panel
light
pixel
array
pixels
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PCT/CN2021/097001
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English (en)
French (fr)
Inventor
范文丽
方涛
李美莹
曾泽村
姚丽清
方鑫
徐姗姗
王文超
朴相镇
王宝强
刁凯
Original Assignee
京东方科技集团股份有限公司
福州京东方光电科技有限公司
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Application filed by 京东方科技集团股份有限公司, 福州京东方光电科技有限公司 filed Critical 京东方科技集团股份有限公司
Priority to CN202180001317.5A priority Critical patent/CN115867856A/zh
Priority to PCT/CN2021/097001 priority patent/WO2022246859A1/zh
Priority to US18/564,104 priority patent/US20240248360A1/en
Publication of WO2022246859A1 publication Critical patent/WO2022246859A1/zh

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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors

Definitions

  • the present disclosure relates to the field of display technology, and in particular, to a display panel and a display device.
  • LCD Liquid Crystal Display
  • OLED Organic LED
  • a layer of liquid crystal panel is set on top of the single-layer liquid crystal display panel as a light control panel.
  • the patterns of the conductive layers of the liquid crystal display panel and the light control panel are not exactly the same, resulting in low light transmittance of the double-layer panel. affect the display effect.
  • An embodiment of the present disclosure provides a display panel.
  • the display panel includes: a plurality of pixels arranged in an array; each pixel includes a plurality of sub-pixels; the plurality of pixels arranged in an array includes: a plurality of pixel rows; each pixel row: including a plurality of sub-pixels arranged along a first direction, a plurality of pixel rows extending along a second direction; the first direction and the second direction intersect;
  • the display panel specifically includes: a first array substrate and a first counter substrate oppositely arranged, and a first liquid crystal layer located between the first array substrate and the first counter substrate;
  • the first array substrate includes: multiple a first driving transistor; at least one pixel is separated between two adjacent first driving transistors in the first direction;
  • the first counter substrate includes: a plurality of light shielding parts corresponding to the first driving transistors one by one; the light shielding part
  • the orthographic projection on the plane where the first array substrate is located only covers the orthographic projection of the first driving transistor on the plane where the first array substrate is located.
  • n pixels are separated between two adjacent first driving transistors in the first direction; wherein, n is the least common multiple of the number of driving transistors and the number of pixel units.
  • each pixel includes: a red sub-pixel, a blue sub-pixel and a green sub-pixel.
  • multiple sub-pixels in each pixel are of the same color.
  • the first array substrate further includes: a planar first common electrode located on a side of the first driving transistor facing the first opposite substrate; the first common electrode includes a light-transmitting material.
  • the first array substrate further includes:
  • a plurality of first common voltage signal lines are electrically connected to the first common electrode and arranged on the same layer as the gate of the first driving transistor.
  • the shape of the orthographic projection of the light shielding portion on the first array substrate is a rectangle with chamfered corners.
  • the length of the rectangle in the first direction is greater than or equal to 30 microns and less than or equal to 180 microns; the width of the rectangle in the second direction is greater than or equal to 30 microns and less than or equal to 180 microns.
  • the included angle between the chamfer and the first direction or the second direction is greater than 0° and less than or equal to 70°.
  • the length of the chamfer in the first direction is greater than 0 micrometers and less than or equal to 30 micrometers; the width of the chamfer in the second direction is greater than 0 micrometers and less than or equal to 30 micrometers.
  • the display panel provided by the embodiment of the present disclosure.
  • the second display panel is located at the light emitting side of the display panel.
  • the second display panel includes: a plurality of sub-pixels arranged in an array
  • the second display panel specifically includes: a second array substrate and a second opposite substrate oppositely arranged, and a second liquid crystal layer located between the second array substrate and the second opposite substrate;
  • the second opposite substrate includes: a light-shielding layer ;
  • Light-shielding layer including an opening area corresponding to the sub-pixels of the second display panel, and a light-shielding area outside the opening area; the orthographic projection of the light-shielding part on the light-shielding layer falls into the light-shielding area.
  • the first array substrate further includes: a plurality of first data lines and a plurality of first scan lines intersecting each other; the orthographic projections of the first data lines and first scan lines on the light-shielding layer fall into the light-shielding region .
  • the orthographic projection of the first common voltage signal line on the light-shielding layer in the first array substrate falls within the light-shielding region.
  • FIG. 1 is a schematic structural diagram of a display panel provided by an embodiment of the present disclosure
  • FIG. 2 is a schematic structural diagram of a first array substrate in a display panel provided by an embodiment of the present disclosure
  • FIG. 3 is a schematic structural diagram of a first counter substrate in a display panel provided by an embodiment of the present disclosure
  • Fig. 4 is a sectional view along AA' in Fig. 2 provided by an embodiment of the present disclosure
  • Fig. 5 is a sectional view along BB' in Fig. 2 provided by an embodiment of the present disclosure
  • FIG. 6 is a schematic structural diagram of a first array substrate in another display panel provided by an embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram of a display device provided by an embodiment of the present disclosure.
  • FIG. 8 is a schematic structural diagram of a second opposite substrate in a second display panel provided by an embodiment of the present disclosure.
  • FIG. 9 is a schematic structural diagram of a second array substrate in a second display panel provided by an embodiment of the present disclosure.
  • FIG. 10 is a schematic structural diagram of a second array substrate in another second display panel provided by an embodiment of the present disclosure.
  • FIG. 11 is a curve diagram of brightness and temperature of a display panel provided by an embodiment of the present disclosure.
  • the display panel 2 includes: a plurality of pixels 3 arranged in an array; each pixel 3 includes a plurality of sub-pixels 4 ;
  • the plurality of pixels 3 includes: a plurality of pixel rows 32; each pixel row 32: includes a plurality of sub-pixels 4 arranged along the first direction X, and the plurality of pixel rows 32 extend along the second direction Y; the first direction X and the second direction Two direction Y cross;
  • the display panel 2 specifically includes: a first array substrate 5 and a first counter substrate 6 oppositely arranged, and a first liquid crystal layer 7 located between the first array substrate 5 and the first counter substrate 6;
  • the first array substrate includes : a plurality of first drive transistors 8 arranged in an array; at least one pixel 3 is spaced between two adjacent first drive transistors 8 in the first direction X;
  • the first counter substrate includes: the first drive transistor 8 A plurality of light-shielding parts 9 corresponding to one-to-one; the orthographic projection of the light-shielding parts 9 on the plane where the first array substrate 5 is located only covers the orthographic projection of the first driving transistor 8 on the plane where the first array substrate 5 is located.
  • the light-shielding area in the opposite substrate of the display panel is a grid-like pattern, and the opening area of the grid is a light-transmitting area, so the light transmittance of the display panel is relatively low. Therefore, when the display panel is applied to a display product including a double-layer display panel, the light transmittance of the display product is low.
  • the sub-pixel units in the two display panels correspond one-to-one, which further leads to low light transmittance of the double-layer display panel. Due to the low light transmittance of the double-sided panels, the brightness of the backlight needs to be high.
  • the operating temperature of the display product is high, which easily leads to problems of brightness attenuation and color coordinate shift.
  • the color coordinate of the display product deviates, it is considered that the color coordinate of the display product does not meet the specified range of color coordinates and needs to be scrapped, which will affect the production yield of the display product.
  • the display panel provided by the embodiments of the present disclosure includes at least one pixel between two adjacent first driving transistors in the first direction, and the number of the first driving transistors is much smaller than the number of sub-pixel units.
  • the first driving transistor corresponds to the control unit of the display panel, which is equivalent to reducing the number of control units without changing the total area of the display panel, thereby improving the light transmittance of the display panel.
  • the first counter substrate includes a plurality of light-shielding parts, and the light-shielding parts only cover the area where the first driving transistor is located.
  • the plurality of light-shielding parts in the display panel are arranged in an array, which can reduce the area of the light-shielding regions in the first opposite substrate, thereby increasing the light transmittance of the display panel.
  • the display panel provided by the embodiments of the present disclosure is applied to a display product of a double-layer display panel, the light transmittance of the display product can be improved, the display effect can be improved, and user experience can be enhanced.
  • the light transmittance of the display panel is improved, so the required backlight brightness can also be reduced, thereby reducing the operating temperature of the display product and avoiding the problems of brightness attenuation and color coordinate shift caused by high temperature. Improve the production yield of display products.
  • dashed lines are used to illustrate the area covered by the orthographic projection of the light shielding portion 9 on the first array substrate.
  • first direction X and the second direction Y are perpendicular.
  • the first array substrate further includes: a plurality of first data lines 16 and a plurality of first scan lines 17 arranged to cross each other.
  • each first scan line 17 extends along the first direction X
  • each first data line 16 extends along the second direction Y.
  • the first driving transistor may be a thin film transistor, for example.
  • the first driving transistor includes: a gate G, a source S, a drain D and an active layer 19 .
  • the gate G is arranged on the same layer as the first scan line 17 and is electrically connected.
  • the source S is arranged on the same layer as the first data line 16 and is electrically connected.
  • the first scan line is located on the side of the first data line facing the base substrate, and the active layer is located between the gate, source and drain, for example, that is, the thin film transistor has a bottom gate structure.
  • the display panel includes a plurality of light control units 18 arranged in an array. That is, a plurality of first scan lines and a plurality of first data lines are divided into a plurality of light control units.
  • the number of light control units is in one-to-one correspondence with the number of first driving transistors.
  • the first array substrate further includes: a planar first common electrode 23 located on the side of the first drive transistor 8 facing the first counter substrate 6;
  • the electrode 23 includes a light-transmitting material.
  • Fig. 4 may be, for example, a cross-sectional view along AA' in Fig. 2
  • Fig. 5 may be, for example, a cross-sectional view along BB' in Fig. 2 .
  • the first common electrode is not shown in FIG. 2 .
  • the first common electrode is a planar electrode, and the material of the first common electrode is a light-transmitting material, so that the aperture ratio of the light control unit of the first display panel can be further improved, and the light output of the display panel can be improved. transmittance.
  • each light control unit of the first array substrate further includes a first pixel electrode 24 .
  • the first pixel electrode 24 is located on a side of the first common electrode 23 away from the first driving transistor 8 .
  • the first array substrate 5 further includes: a first substrate substrate 29 on the side of the gate G away from the drain D, located between the gate G and the drain D.
  • the first pixel electrode 24 is electrically connected to the drain D through a via hole penetrating through the second insulating layer 27 and the first insulating layer 26 .
  • the first common electrode is integrally connected to form a planar electrode.
  • the first opposite substrate 6 further includes a second base substrate 30 .
  • the light shielding portion 9 is located on a side of the second base substrate 30 facing the first liquid crystal layer 7 .
  • the first opposite substrate 6 further includes a protection layer 31 located on a side of the light shielding portion 9 away from the second base substrate 30 .
  • the first array substrate further includes:
  • a plurality of first common voltage signal lines are electrically connected to the first common electrode and arranged on the same layer as the gate of the first driving transistor.
  • the extension direction of the first common voltage signal line may be set to be the same as the extension direction of the first scan line.
  • the plurality of first common voltage signal lines and the plurality of first scanning lines are arranged adjacently in one-to-one correspondence.
  • n pixels are separated between two adjacent first driving transistors in the first direction; wherein, n is the least common multiple of the number of driving transistors and the number of pixel units.
  • each light control unit corresponds to n pixels.
  • each light control unit 18 corresponds to a pixel 3 .
  • each pixel 3 includes three sub-pixels 4 .
  • the sub-pixels in each pixel are not the same color.
  • each pixel 4 includes, for example, a red sub-pixel R, a blue sub-pixel B, and a green sub-pixel G. As shown in FIG. 2 , each pixel 4 includes, for example, a red sub-pixel R, a blue sub-pixel B, and a green sub-pixel G. As shown in FIG. 2 , each pixel 4 includes, for example, a red sub-pixel R, a blue sub-pixel B, and a green sub-pixel G. As shown in FIG.
  • each pixel may also include four or more sub-pixels.
  • each pixel includes four sub-pixels, for example, it includes: a red sub-pixel, a blue sub-pixel, a green sub-pixel and a white sub-pixel.
  • each light control unit may also correspond to a plurality of pixels.
  • each light control unit 18 corresponds to four pixels 3 .
  • multiple sub-pixels in each pixel are of the same color. That is, the display panel is used to implement grayscale adjustment.
  • the shape of the orthographic projection of the light shielding portion on the first array substrate is a rectangle with chamfered corners.
  • the orthographic projection area of the light-shielding portion on the first array substrate can be reduced as much as possible while the first driving transistor is shielded, the light transmittance of the first display panel can be improved, and the light transmittance of the display panel can be improved.
  • the orthographic projection of the light shielding portion on the first array substrate may also be in other shapes. Examples are circles, rectangles, or other polygons.
  • the length h1 of the rectangle in the first direction X is greater than or equal to 30 microns and less than or equal to 180 microns; the width h2 of the rectangle in the second direction Y is greater than or equal to 30 microns and less than or equal to 180 microns.
  • the size of the light shielding portion can be actually selected according to the size of the first driving transistor, so that the light shielding portion covers the first driving transistor.
  • the length h1 of the rectangle in the first direction X is 91.5 microns
  • the width h2 of the rectangle in the second direction Y is 66 microns.
  • the included angle between the chamfer and the first direction or the second direction is greater than 0° and less than or equal to 70°.
  • the length h3 of the chamfer in the first direction X is greater than 0 micrometers and less than or equal to 30 micrometers; the width h4 of the chamfer in the second direction Y is greater than 0 micrometers and less than or equal to 30 micrometers.
  • an embodiment of the present disclosure also provides a display device, as shown in FIG. 7 , including:
  • the second display panel 1 is located at the light emitting side of the display panel 2 .
  • the display panel 2 may be used as a light control panel, for example, and for the convenience of distinction, the display panel 2 is referred to as a first display panel in the following description.
  • the second display panel includes: a plurality of pixels 3 arranged in an array; each pixel 3 includes a plurality of sub-pixels 4;
  • the second display panel specifically includes: a second array substrate 10 and a second counter substrate 11 oppositely arranged, and a second liquid crystal layer 12 located between the second array substrate 10 and the second counter substrate 11; as shown in FIG. 1 , As shown in FIG. 8 , the second opposite substrate includes: a light-shielding layer 13; the light-shielding layer 13 includes an opening area 14 corresponding to the sub-pixel 4 of the second display panel, and a light-shielding area 15 outside the opening area 14; The orthographic projection of the light-shielding portion on the light-shielding layer falls into the light-shielding region 15 .
  • the light-shielding portion of the first display panel is arranged in the area covered by the light-shielding area of the second display panel, so that the light transmission after the first display panel and the second display panel overlap can be further reduced. rate, further improving the light transmittance of the display device, improving the display effect, and enhancing the user experience.
  • the orthographic projections of the first data line and the first scan line on the light-shielding layer fall into the light-shielding region.
  • the first data line and the first scan line of the first display panel are arranged in the area covered by the light-shielding area of the second display panel, so that the size of the first display panel and the second display panel can be further reduced.
  • the overlapped light transmittance further increases the light transmittance of the display device, improves the display effect, and enhances user experience.
  • the orthographic projection of the first common voltage signal line on the light-shielding layer falls within the light-shielding region.
  • the second array substrate includes: a second data line 20 , a second scan line 21 and a second driving transistor 22 .
  • the second driving transistor includes: a gate, a source, a drain and an active layer.
  • the gate of the second driving transistor is arranged on the same layer as the second scanning line and is electrically connected.
  • the source of the second driving transistor is arranged on the same layer as the second data line and is electrically connected.
  • the second array substrate further includes: a second pixel electrode and a second common electrode.
  • both the second display panel and the first display panel are liquid crystal panels. That is, the display device includes a double-layer liquid crystal panel.
  • the first display panel includes a plurality of light control units, so that each light control unit can individually control brightness and darkness, which can make the picture displayed by the display device more delicate and improve the display effect.
  • the first opposite substrate of the first display panel does not need to be provided with a color filter.
  • the second opposite substrate of the second display panel needs to be provided with a color filter.
  • the color filter is arranged in the light-transmitting region of the light-shielding layer.
  • FIG. 9 uses an example in which one light control unit of the first display panel corresponds to one pixel of the second display panel for illustration.
  • FIG. 10 illustrates by taking one light control unit of the first display panel corresponding to four pixels of the second display panel as an example.
  • each first data line 16 is a broken line
  • each second data line 20 is a broken line.
  • the bending direction of the first data line 16 corresponding to each light control unit 18 in the first display panel toward the light control unit 18 is the same
  • Each sub-pixel unit 4 in the two display panels corresponds to the same bending direction of the second data line 20 toward the sub-pixel unit 4 .
  • the bending directions of the data lines of the two liquid crystal panels are different, and the light-shielding area of the opposite substrate of the first display panel needs to cover the data lines of the first display panel, so the data lines of the first display panel The bending area has a great influence on the transmittance of the second display panel.
  • the bending direction of the first data line corresponding to each light control unit to the light control unit is the same as the bending direction of the second data line corresponding to each sub-pixel unit to the sub-pixel unit, so that It is convenient to arrange the first data line in the first display panel within the coverage of the light-shielding area of the liquid crystal panel, which can prevent the first data line from affecting the light transmittance of the second display panel.
  • the transmittance of the display device including the two-layer liquid crystal panel can be improved.
  • the display device further includes: a backlight module located on a side of the first display panel away from the second display panel.
  • the light control units of the first display panel correspond to the sub-pixel units of the second display panel one by one, and the light-shielding area pattern of the first display panel is grid-like, and the aperture ratio of the first display panel is usually 55%. ⁇ 57%, the aperture ratio of the second display panel is usually 55% ⁇ 57%, and the aperture ratio of the laminated panel after the first display panel and the second display panel is usually 45% ⁇ 50%.
  • one light control unit corresponds to three sub-pixel units (that is, one pixel);
  • the first display The panel includes a plurality of light-shielding parts arranged in an array; the light-shielding parts, the first data line and the first scanning line are all set within the coverage of the light-shielding area of the second display panel;
  • the first common electrode is a planar electrode;
  • the first display panel The aperture ratio can be increased to around 79.1%. Compared with related technologies, the light transmittance of the first display panel can be greatly improved.
  • the aperture ratio of the laminated panel of the first display panel and the second display panel can be increased to 52.5% to 56.7%. Compared with the related art, the light transmittance of the laminated panel provided by the embodiment of the present disclosure can be improved. 60%.
  • the relationship curves between the brightness and temperature of the display device 1 provided by the related art and the display device 2 provided by the embodiment of the present disclosure are shown in FIG. 11 .
  • the relationship curves between the color coordinates and the temperature of the display device 1 provided by the related art and the display device 2 provided by the embodiments of the present disclosure are shown in FIGS. 12 to 17 . Wherein, R represents a red sub-pixel, G represents a green sub-pixel, B represents a blue sub-pixel, and W represents a white sub-pixel.
  • the brightness of the backlight module of the display device provided by the embodiment of the present disclosure can be reduced by 10,000 nits (nit), and the operating temperature of the backlight module can be reduced by 10 degrees Celsius (°C), which can greatly improve the brightness of the display device Attenuation and color coordinate drift issues.
  • the display device is any product or component with a display function such as a mobile phone, a tablet computer, a television, a monitor, a notebook computer, a digital photo frame, and a navigator.
  • a display function such as a mobile phone, a tablet computer, a television, a monitor, a notebook computer, a digital photo frame, and a navigator.
  • Other essential components of the display device should be understood by those of ordinary skill in the art, and will not be repeated here, nor should they be used as limitations on the present disclosure.
  • the first opposing substrate of the first display panel includes a plurality of light-shielding parts, and the light-shielding parts only cover the area where the first driving transistor is located, which is different from that in the related art.
  • the multiple light-shielding portions in the first display panel of the present disclosure are arranged in an array, which can reduce the area of the light-shielding area in the first opposite substrate, and further
  • the light transmittance of the first display panel can be improved, and the light transmittance of the display device can be improved. Improve the display effect and enhance the user experience.
  • the light transmittance of the display device is improved, so the required backlight brightness can be reduced, thereby reducing the operating temperature of the display product, and avoiding the problems of brightness attenuation and color coordinate shift caused by high temperature.

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Abstract

一种显示面板(2)及显示装置，显示面板(2)包括：阵列排布的多个像素(3)；每一像素(3)包括多个子像素(4)；阵列排布的多个像素(3)包括：多个像素行(32)；每一像素行(32)包括沿第一方向(X)排列的多个子像素(4)，多个像素行(32)沿第二方向(Y)延伸；第一方向(X)和第二方向(Y)交叉；显示面板(2)具体包括：相对设置的第一阵列基板(5)和第一对向基板(6)，以及位于第一阵列基板(5)和第一对向基板(6)之间的第一液晶层(7)；第一阵列基板(5)包括：阵列排布的多个第一驱动晶体管(8)；在第一方向上相邻的两个第一驱动晶体管(8)之间至少间隔一个像素(3)；第一对向基板(6)包括：与第一驱动晶体管(8)一一对应的多个遮光部(9)；遮光部(9)在第一阵列基板(5)所在平面的正投影仅覆盖第一驱动晶体管(8)在第一阵列基板(5)所在平面的正投影。

Description

显示面板及显示装置 技术领域
本公开涉及显示技术领域，尤其涉及一种显示面板及显示装置。
背景技术
液晶显示器(Liquid Crystal Display，LCD)由于具有体积小、功耗低、无辐射等优点而备受业界关注,目前在手机、车载、显示器、电视和公共显示等领域已得到广泛的应用。但是LCD面板对比度只有几千，其显示效果无法与OLED产品相媲美。为了提高LCD产品的对比度，在单层液晶显示面板之上再设置一层液晶面板，作为控光面板。然而，为了改善摩尔纹的问题，液晶显示面板与控光面板导电层图案不完全相同，造成双层面板的光透过率低。影响显示效果。
发明内容
本公开实施例提供的一种显示面板，显示面板包括：阵列排布的多个像素；每一像素包括多个子像素；阵列排布的多个像素包括：多个像素行；每一像素行：包括沿第一方向排列的多个子像素，多个像素行沿第二方向延伸；第一方向和第二方向交叉；
显示面板具体包括：相对设置的第一阵列基板和第一对向基板，以及位于第一阵列基板和第一对向基板之间的第一液晶层；第一阵列基板包括：阵列排布的多个第一驱动晶体管；在第一方向上相邻的两个第一驱动晶体管之间至少间隔一个像素；第一对向基板包括：与第一驱动晶体管一一对应的多个遮光部；遮光部在第一阵列基板所在平面的正投影仅覆盖第一驱动晶体管在第一阵列基板所在平面的正投影。
在一些实施例中，在第一方向上相邻的两个第一驱动晶体管之间间隔n个像素；其中，n为驱动晶体管的数量与像素单元的数量的最小公倍数。
在一些实施例中，每一像素包括：红色子像素、蓝色子像素以及绿色子像素。
在一些实施例中，每一像素中的多个子像素的颜色相同。
在一些实施例中，第一阵列基板还包括：位于第一驱动晶体管面向第一对向基板一侧的面状的第一公共电极；第一公共电极包括透光材料。
在一些实施例中，第一阵列基板还包括：
多条第一公共电压信号线，与第一公共电极电连接，且与第一驱动晶体管的栅极同层设置。
在一些实施例中，遮光部在第一阵列基板的正投影形状为具有倒角的矩形。
在一些实施例中，矩形在第一方向上的长度大于等于30微米且小于等于180微米；矩形在第二方向上的宽度大于等于30微米且小于等于180微米。
在一些实施例中，倒角与第一方向或第二方向的夹角大于0°且小于等于70°。
在一些实施例中，倒角在第一方向上的长度大于0微米且小于等于30微米；倒角在第二方向上的宽度大于0微米且小于等于30微米。
本公开实施例提供的一种显示装置，包括：
本公开实施例提供的显示面板；
第二显示面板，位于显示面板的出光侧。
在一些实施例中，第二显示面板包括：阵列排布的多个子像素；
第二显示面板具体包括：相对设置的第二阵列基板和第二对向基板，以及位于第二阵列基板和第二对向基板之间的第二液晶层；第二对向基板包括：遮光层；遮光层：包括具有与第二显示面板的子像素一一对应的开口区，以及开口区之外的遮光区；遮光部在遮光层的正投影落入遮光区。
在一些实施例中，第一阵列基板还包括：相互交叉设置的多条第一数据线和多条第一扫描线；第一数据线和第一扫描线在遮光层的正投影落入遮光区。
在一些实施例中，第一阵列基板中的第一公共电压信号线在遮光层的正投影落入遮光区内。
附图说明
为了更清楚地说明本公开实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简要介绍，显而易见地，下面描述中的附图仅仅是本公开的一些实施例，对于本领域的普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本公开实施例提供的一种显示面板的结构示意图；
图2为本公开实施例提供的一种显示面板中第一阵列基板的结构示意图；
图3为本公开实施例提供的一种显示面板中第一对向基板的结构示意图；
图4为本公开实施例提供的沿图2中AA’的截面图；
图5为本公开实施例提供的沿图2中BB’的截面图；
图6为本公开实施例提供的另一种显示面板中第一阵列基板的结构示意图；
图7为本公开实施例提供的一种显示装置的结构示意图；
图8为本公开实施例提供的一种第二显示面板中第二对向基板的结构示意图；
图9为本公开实施例提供的一种第二显示面板的中第二阵列基板的结构示意图；
图10为本公开实施例提供的另一种第二显示面板的中第二阵列基板的结构示意图；
图11为本公开实施例提供的显示面板的亮度与温度曲线图；
图12～图17为本公开实施例提供的显示面板的色坐标与温度曲线图。
具体实施方式
为使本公开实施例的目的、技术方案和优点更加清楚，下面将结合本公 开实施例的附图，对本公开实施例的技术方案进行清楚、完整地描述。显然，所描述的实施例是本公开的一部分实施例，而不是全部的实施例。并且在不冲突的情况下，本公开中的实施例及实施例中的特征可以相互组合。基于所描述的本公开的实施例，本领域普通技术人员在无需创造性劳动的前提下所获得的所有其他实施例，都属于本公开保护的范围。
除非另外定义，本公开使用的技术术语或者科学术语应当为本公开所属领域内具有一般技能的人士所理解的通常意义。本公开中使用的“第一”、“第二”以及类似的词语并不表示任何顺序、数量或者重要性，而只是用来区分不同的组成部分。“包括”或者“包含”等类似的词语意指出现该词前面的元件或者物件涵盖出现在该词后面列举的元件或者物件及其等同，而不排除其他元件或者物件。“连接”或者“相连”等类似的词语并非限定于物理的或者机械的连接，而是可以包括电性的连接，不管是直接的还是间接的。
需要注意的是，附图中各图形的尺寸和形状不反映真实比例，目的只是示意说明本公开内容。并且自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。
本公开实施例提供了一种显示面板，如图1、图2、图3所示，显示面板2包括：阵列排布的多个像素3；每一像素3包括多个子像素4；阵列排布的多个像素3包括：多个像素行32；每一像素行32：包括沿第一方向X排列的多个子像素4，多个像素行32沿第二方向Y延伸；第一方向X和第二方向Y交叉；
显示面板2具体包括：相对设置的第一阵列基板5和第一对向基板6，以及位于第一阵列基板5和第一对向基板6之间的第一液晶层7；第一阵列基板包括：阵列排布的多个第一驱动晶体管8；在第一方向X上相邻的两个第一驱动晶体管8之间至少间隔一个像素3；第一对向基板包括：与第一驱动晶体管8一一对应的多个遮光部9；遮光部9在第一阵列基板5所在平面的正投影仅覆盖第一驱动晶体管8在第一阵列基板5所在平面的正投影。
需要说明的是，相关技术中，显示面板的对向基板中的遮光区为网格状 的图案，网格开口区域为透光区，因此显示面板的光透过率较低。因此当显示面板应用于包括双层显示面板的显示产品中时，显示产品的光透过率低。并且，相关技术中，双层显示面板的显示产品中两个显示面板中的子像素单元一一对应，进一步导致双面板光透过率低。由于双面板光透过率较低，因此需要背光亮度较高，这样，显示产品工作温度较高，容易导致亮度衰减和色坐标偏移的问题。在对显示产品进行测试时，当显示产品出现色坐标偏移时，则认为该显示产品色坐标不符合色坐标规定范围，需要报废，影响显示产品制作良率。
本公开实施例提供的显示面板，在第一方向上相邻的两个第一驱动晶体管之间至少包括一个像素，及第一驱动晶体管的数量远小于子像素单元的数量。第一驱动晶体管对应显示面板的控制单元，相当于在不改变显示面板总面积的情况下减少控制单元的数量，从而可以提高显示面板的光透过率。并且，第一对向基板中包括多个遮光部，遮光部仅覆盖第一驱动晶体管所在区域，即与相关技术中第一对向基板中的遮光区为网格状的图案相比，本公开显示面板中的多个遮光部呈阵列排布，可以减小第一对向基板中遮光区的面积，进而可以提高显示面板的光透过率。这样，当本公开实施例提供的显示面板应用于双层显示面板的显示产品时，可以提高显示产品的光透过率，提高显示效果，提升用户体验。显示面板的光透过率提高，因此还可以降低需要的背光亮度，从而降低显示产品工作温度，避免出现高温导致的亮度衰减和色坐标偏移的问题。提高显示产品制作良率。
需要说明的是，图2中采用虚线示意出遮光部9在第一阵列基板的正投影覆盖的区域。
需要说明的是，图2、图3中第一方向X和第二方向Y垂直。
在一些实施例中，如图2所示，第一阵列基板还包括：相互交叉设置的多条第一数据线16和多条第一扫描线17。
在一些实施例中，如图2所示，每一第一扫描线17沿第一方向X延伸，每一第一数据线16沿第二方向Y延伸。
在一些实施例中，第一驱动晶体管例如可以是薄膜晶体管。如图2所示，第一驱动晶体管包括：栅极G、源极S、漏极D以及有源层19。栅极G与第一扫描线17同层设置且电连接。源极S与第一数据线16同层设置且电连接。在具体实施时，第一扫描线位于第一数据线面向衬底基板的一侧，有源层例如位于栅极和源漏极之间，即薄膜晶体管为底栅结构。
在一些实施例中，如图2所示，显示面板包括阵列排布的多个光控单元18。即多条第一扫描线和多条第一数据线横纵交叉划分为多个光控单元。光控单元的数量与第一驱动晶体管的数量一一对应。
在一些实施例中，如图4、图5所示，第一阵列基板还包括：位于第一驱动晶体管8面向第一对向基板6一侧的面状的第一公共电极23；第一公共电极23包括透光材料。
需要说明的是，图4例如可以是沿图2中AA’的截面图，图5例如可以是沿图2中BB’的截面图。图2中并未示出第一公共电极。
本公开实施例提供的显示面板，第一公共电极为面状电极，且第一公共电极的材料为透光材料，从而可以进一步提高第一显示面板的光控单元开口率，提高显示面板的光透过率。
在一些实施例中，如图4、图5所示，第一阵列基板的每一光控单元还包括第一像素电极24。第一像素电极24位于第一公共电极23背离第一驱动晶体管8一侧。
在一些实施例中，如图4、图5所示，第一阵列基板5还包括：栅极G背离漏极D一侧的第一衬底基板29，位于栅极G和漏极D之间的栅绝缘层25，位于漏极D与第一公共电极23之间的第一绝缘层26，以及位于第一公共电极23与第一像素电极24之间的第二绝缘层27，以及位于第一像素电极24与第一液晶层7之间的第三绝缘层28。其中，第一像素电极24通过贯穿第二绝缘层27以及第一绝缘层26的过孔与漏极D电连接。
需要说明的是，除第一像素电极与漏极电连接的区域之外，第一公共电极一体连接，形成面状电极。
在一些实施例中，如图4、图5所示，第一对向基板6还包括第二衬底基板30。遮光部9位于第二衬底基板30面向第一液晶层7的一侧。第一对向基板6还包括位于遮光部9背离第二衬底基板30一侧的保护层31。
在一些实施例中，第一阵列基板还包括：
多条第一公共电压信号线，与第一公共电极电连接，且与第一驱动晶体管的栅极同层设置。
在具体实施时，第一公共电压信号线的延伸方向可以设置为与第一扫描线的延伸方向相同。多条第一公共电压信号线与多条第一扫描线一一对应相邻设置。
在一些实施例中，在第一方向上相邻的两个第一驱动晶体管之间间隔n个像素；其中，n为驱动晶体管的数量与像素单元的数量的最小公倍数。
即在一些实施例中，每一光控单元对应n个像素。
在一些实施例中，如图2所示，每一光控单元18对应一个像素3。
在一些实施例中，如图1、图2所示，每一像素3包括三个子像素4。
在一些实施例中，每一像素中的子像素颜色不相同。
在具体实施时，如图2所示，每一像素4例如包括：红色子像素R、蓝色子像素B以及绿色子像素G。
当然，在一些实施例中，每一像素也可以包括四个子像素或更多子像素。每一像素包括四个子像素时，例如包括：红色子像素、蓝色子像素、绿色子像素以及白色子像素。
在一些实施例中，每一光控单元也可以对应多个像素。例如，如图6所示，每一光控单元18对应四个像素3。
在一些实施例中，每一像素中的多个子像素的颜色相同。即显示面板用于实现灰阶调节。
在一些实施例中，如图3所示，遮光部在第一阵列基板的正投影形状为具有倒角的矩形。
这样可以在遮挡第一驱动晶体管的同时尽可能减小遮光部在第一阵列基 板的正投影面积，提高第一显示面板的光透过率，提高显示面板的光透过率。
当然，遮光部在第一阵列基板的正投影也可以是其他形状。例如圆形、矩形、或其他多边形。
在一些实施例中，矩形在第一方向X上的长度h1大于等于30微米且小于等于180微米；矩形在第二方向Y上的宽度h2大于等于30微米且小于等于180微米。
在具体实施时，遮光部的尺寸可以根据第一驱动晶体管的尺寸进行实际选择，以使遮光部覆盖第一驱动晶体管。
在一些实施例中，矩形的在第一方向X上的长度h1为91.5微米、矩形在第二方向Y上的宽度h2为66微米。
在一些实施例中，倒角与第一方向或第二方向的夹角大于0°且小于等于70°。
在一些实施例中，倒角在第一方向X上的长度h3大于0微米且小于等于30微米；倒角在第二方向Y上的宽度h4大于0微米且小于等于30微米。
基于同一发明构思，本公开实施例还提供了一种显示装置，如图7所示，包括：
本公开实施例提供的上述显示面板2；
第二显示面板1，位于显示面板2的出光侧。
在具体实施时，显示面板2例如可以作为光控面板，为了便于区分，以下描述中将显示面板2称作第一显示面板。
在一些实施例中，如图7所示，第二显示面板包括：阵列排布的多个像素3；每一像素3包括多个子像素4；
第二显示面板具体包括：相对设置的第二阵列基板10和第二对向基板11，以及位于第二阵列基板10和第二对向基板11之间的第二液晶层12；如图1、图8所示，第二对向基板包括：遮光层13；遮光层13：包括具有与第二显示面板的子像素4一一对应的开口区14，以及开口区14之外的遮光区15；遮 光部在遮光层的正投影落入遮光区15。
本公开实施例提供的显示装置，第一显示面板的遮光部设置在第二显示面板的遮光区覆盖的区域，从而可以进一步减小第一显示面板和第二显示面板交叠后的光透过率，进一步提高显示装置的光透过率，提高显示效果，提升用户体验。
在一些实施例中，第一数据线和第一扫描线在遮光层的正投影落入遮光区。
本公开实施例提供的显示装置，第一显示面板的第一数据线和第一扫描线设置在第二显示面板的遮光区覆盖的区域，从而可以进一步减小第一显示面板和第二显示面板交叠后的光透过率，进一步提高显示装置的光透过率，提高显示效果，提升用户体验。
在一些实施例中，第一公共电压信号线在遮光层的正投影落入遮光区内。
在一些实施例中，如图9、图10所示，第二阵列基板包括：第二数据线20、第二扫描线21以及第二驱动晶体管22。
在具体实施时，第二驱动晶体管包括：栅极、源极、漏极以及有源层。第二驱动晶体管的栅极与第二扫描线同层设置且电连接。第二驱动晶体管的源极与第二数据线同层设置且电连接。在具体实施时，第二阵列基板还包括：第二像素电极以及第二公共电极。
需要说明的是，本公开实施例提供的显示装置中，第二显示面板和第一显示面板均为液晶面板。即显示装置包括双层液晶面板。其中，第一显示面板包括多个光控单元，这样每个光控单元可以单独控制明暗，可以使得显示装置显示的画面更细腻，以提高显示效果。在具体实施时，第一显示面板的第一对向基板无需设置彩膜。而第二显示面板的第二对向基板需要设置彩膜。在具体实施时，第二显示面板的第二对向基板中，彩膜设置在遮光层的透光区。
需要说明的是，图9以第一显示面板的一个光控单元对应第二显示面板的一个像素为例进行举例说明。图10以第一显示面板的一个光控单元对应第 二显示面板的四个像素为例进行举例说明。
在一些实施例中，如图2、图6、图9、图10所示，每一第一数据线16为折线，每一第二数据线20为折线。
在一些实施例中，如图2、图6、图9、图10所示，第一显示面板中每一光控单元18对应的第一数据线16向光控单元18的弯折方向与第二显示面板中每一子像素单元4对应第二数据线20向子像素单元4的弯折方向相同。
需要说明的是，相关技术中，两液晶面板的数据线弯折方向不相同，第一显示面板的对向基板的遮光区需要覆盖第一显示面板的数据线，因此第一显示面板的数据线弯折区域对第二显示面板的透过率影响较大。
本公开实施例提供的显示装置，每一光控单元对应的第一数据线向光控单元的弯折方向与每一子像素单元对应第二数据线向子像素单元的弯折方向相同，从而便于将第一显示面板中的第一数据线设置在液晶面板的遮光区覆盖范围内，可以避免第一数据线影响第二显示面板的光透过率。从而可以提高包括两层液晶面板的显示装置的透过率。
在一些实施例中，显示装置还包括：位于第一显示面板背离第二显示面板一侧的背光模组。
接下来，对本公开实施例提供的显示装置可以提高光透过率进行举例说明。
相关技术中，第一显示面板的光控单元与第二显示面板的子像素单元一一对应，且第一显示面板的遮光区图案为网格状，第一显示面板的开口率通常在55％～57％，第二显示面板的开口率通常在55％～57％，第一显示面板和第二显示面板贴合后的面板的开口率通常在45％～50％。而本公开实施例提供的显示装置，在不改变第二显示面板设置方式的情况下，当第一显示面板满足如下条件：一个光控单元对应三个子像素单元(即一个像素)；第一显示面板包括阵列排布的多个遮光部；遮光部、第一数据线以及第一扫描线均设置在第二显示面板遮光区覆盖范围内；第一公共电极为面状电极；第一显示面板的开口率可以提高至79.1％左右。相比于相关技术可以大大提高第一显 示面板的光透过率。第一显示面板和第二显示面板贴合后的面板的开口率通可以提高至52.5％～56.7％，与相关技术相比本公开实施例提供的贴合后的面板的光透过率可以提升60％。相关技术提供的显示装置1与本公开实施例提供的显示装置2的亮度与温度的关系曲线如图11所示。相关技术提供的显示装置1与本公开实施例提供的显示装置2的色坐标与温度的关系曲线如图12～图17所示。其中，R代表红色子像素，G代表绿色子像素、B代表蓝色子像素、W代表白色子像素。与相关技术相比，本公开实施例提供的显示装置的背光模组的亮度可下降10000尼特(nit)，背光模组的工作温度可下降10摄氏度(℃)，可以极大改善显示装置亮度衰减和色坐标漂移问题。
本公开实施例提供的显示装置为：手机、平板电脑、电视机、显示器、笔记本电脑、数码相框、导航仪等任何具有显示功能的产品或部件。对于该显示装置的其它必不可少的组成部分均为本领域的普通技术人员应该理解具有的，在此不做赘述，也不应作为对本公开的限制。
综上所述，本公开实施例提供的显示面板及显示装置，第一显示面板的第一对向基板中包括多个遮光部，遮光部仅覆盖第一驱动晶体管所在区域，即与相关技术中第一对向基板中的遮光区为网格状的图案相比，本公开第一显示面板中的多个遮光部呈阵列排布，可以减小第一对向基板中遮光区的面积，进而可以提高第一显示面板的光透过率，提高显示装置的光透过率。提高显示效果，提升用户体验。显示装置的光透过率提高，因此还可以降低需要的背光亮度，从而降低显示产品工作温度，避免出现高温导致的亮度衰减和色坐标偏移的问题。
尽管已描述了本发明的优选实施例，但本领域内的技术人员一旦得知了基本创造性概念，则可对这些实施例作出另外的变更和修改。所以，所附权利要求意欲解释为包括优选实施例以及落入本发明范围的所有变更和修改。
显然，本领域的技术人员可以对本发明实施例进行各种改动和变型而不脱离本发明实施例的精神和范围。这样，倘若本发明实施例的这些修改和变型属于本发明权利要求及其等同技术的范围之内，则本发明也意图包含这些 改动和变型在内。

Claims (13)

  1. 一种显示面板，其中，所述显示面板包括：阵列排布的多个像素；每一所述像素包括多个子像素；阵列排布的多个所述像素包括：多个像素行；每一所述像素行：包括沿第一方向排列的多个子像素，多个所述像素行沿第二方向延伸；所述第一方向和所述第二方向交叉；
    所述显示面板具体包括：相对设置的第一阵列基板和第一对向基板，以及位于所述第一阵列基板和所述第一对向基板之间的第一液晶层；所述第一阵列基板包括：阵列排布的多个第一驱动晶体管；在所述第一方向上相邻的两个所述第一驱动晶体管之间至少间隔一个所述像素；所述第一对向基板包括：与所述第一驱动晶体管一一对应的多个遮光部；所述遮光部在所述第一阵列面板所在平面的正投影仅覆盖所述第一驱动晶体管在所述第一阵列面板所在平面的正投影。
  2. 根据权利要求1所述的显示面板，其中，在所述第一方向上相邻的两个所述第一驱动晶体管之间间隔n个所述像素；其中，n为所述驱动晶体管的数量与所述像素单元的数量的最小公倍数。
  3. 根据权利要求1或2所述的显示面板，其中，每一所述像素包括：红色子像素、蓝色子像素以及绿色子像素。
  4. 根据权利要求1或2所述的显示面板，其中，每一所述像素中的多个所述子像素的颜色相同。
  5. 根据权利要求1～4任一项所述的显示面板，其中，所述第一阵列基板还包括：位于所述第一驱动晶体管面向所述第一对向基板一侧的面状的第一公共电极；所述第一公共电极包括透光材料。
  6. 根据权利要求5所述的显示面板，其中，所述第一阵列基板还包括：
    多条第一公共电压信号线，与第一公共电极电连接，且与所述第一驱动晶体管的栅极同层设置。
  7. 根据权利要求1～6任一项所述的显示面板，其中，所述遮光部在所 述第一阵列基板的正投影形状为具有倒角的矩形。
  8. 根据权利要求7所述的显示面板，其中，所述矩形在所述第一方向上的长度大于等于30微米且小于等于180微米、所述矩形在所述第二方向上的宽度大于等于30微米且小于等于180微米。
  9. 根据权利要求7所述的显示面板，其中，所述倒角与所述第一方向或所述第二方向的夹角大于0°且小于等于70°。
  10. 一种显示装置，其中，包括：
    根据权利要求1～9所述的显示面板；
    第二显示面板，位于所述显示面板的出光侧。
  11. 根据权利要求10所述的显示装置，其中，所述第二显示面板包括：阵列排布的多个子像素；
    所述第二显示面板具体包括：相对设置的第二阵列基板和第二对向基板，以及位于所述第二阵列基板和所述第二对向基板之间的第二液晶层；所述第二对向基板包括：遮光层；所述遮光层：包括具有与所述第二显示面板的子像素一一对应的开口区，以及所述开口区之外的遮光区；所述遮光部在所述遮光层的正投影落入所述遮光区。
  12. 根据权利要求11所述的显示装置，其中，所述第一阵列基板还包括：相互交叉设置的多条第一数据线和多条第一扫描线；所述第一数据线和所述第一扫描线在所述遮光层的正投影落入所述遮光区。
  13. 根据权利要求10～12任一项所述的显示装置，其中，所述第一阵列基板中的第一公共电压信号线在所述遮光层的正投影落入所述遮光区内。
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